Table of Contents
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Insufficient Output
Causes
Improper fuel properties
Clogged fuel filter
Fuel feed pump malfunction
Fuel injection pump malfuction
Fuel system
Fuel injection nozzle malfunction
Faulty fuel injection timing
Improper maximum injection vol-
ume
Cooling
Overheating, overcooling
system
Insufficient amount of intake air
Inlet and
exhaust sys-
tems
Increased resistance of exhaust air
Compression pressure drop
Engine
Faulty valve timing
proper
Rapid wear of sliding parts
Control
Governor malfunction
system
Rig
Excessive load
Note: The table above also includes the parts not supplied by MHIET For the parts not supplied by MHIET inspect
and maintain them by following the manufacturer's operation manual.
Table 11-4 Insufficient Output
Use appropriate fuel.
Inspect and replace fuel filter.
Clean gauze filter.
Contact your MHIET dealer.
Contact your MHIET dealer.
Contact your MHIET dealer.
Check fuel injection pump couplings.
Contact your MHIET dealer.
Check fuel injection pump rack stroke.
Contact your MHIET dealer.
Check belt and adjust its tension.
Check seawater pump impeller and drive shaft.
Check heat exchanger.
Check control system.
Contact your MHIET dealer.
Check turbocharger.
Clean, inspect and replace pre-cleaner.
Check intake air pressure and check for intake air leaks.
Check intake air temperature.
Contact your MHIET dealer.
Check exhaust pipe.
Contact your MHIET dealer.
Contact your MHIET dealer.
Contact your MHIET dealer.
Contact your MHIET dealer.
Contact your MHIET dealer.
Check propeller and propeller shaft.
Remove deposits.
Chapter 11 TROUBLESHOOTING
Solutions
(Refer to P4-1)
(Refer to P8-8)
(Refer to P8-7)
(Refer to P8-2)
(Refer to P8-23)
(Refer to P8-23)
11-5
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Table of Contents
Troubleshooting
